src/test/rustdoc/impl-parts.rs

#![feature(negative_impls)]
#![feature(auto_traits)]

pub auto trait AnAutoTrait {}

pub struct Foo<T> { field: T }

// @has impl_parts/struct.Foo.html '//*[@class="impl"]//code' \
//     "impl<T: Clone> !AnAutoTrait for Foo<T> where T: Sync,"
// @has impl_parts/trait.AnAutoTrait.html '//*[@class="item-list"]//code' \
//     "impl<T: Clone> !AnAutoTrait for Foo<T> where T: Sync,"
impl<T: Clone> !AnAutoTrait for Foo<T> where T: Sync {}